It's just an empty case, it's definitely strong. I thought I would use it more often, but I don't actually use it that often. I use 3 days out of 7. Instead of the standard battery, you need to take an ultra-thin battery. The standard fits, but it's very cosy. I have both
SAMSUNG Galaxy Watch (46Mm
259 Review
Sennheiser HD280PRO: π§ Next-Generation Pro Audio Headphones
260 Review
SAMSUNG Galaxy Watch Active2 (Aqua Black, R820-44mm) π± with Bluetooth, Silicon Strap, and Aluminum Bezel - International
248 Review
π§ Sony WH-1000XM4 Noise-Canceling Wireless Headphones with Alexa & Mic, Blue
330 Review